Spark plug light



FIG. 1 is a top plan view of the spark plug light;

FIG. 2 is a left side elevational view of the spark plug light;

FIG. 3 is a front elevational view of the spark plug light;

FIG. 4 is a right side elevational view of the spark plug light;

FIG. 5 is a bottom plan view of the spark plug light; and,

FIG. 6 is a perspective view of the spark plug light. 

The ornamental design for the spark plug light, as shown and described. 